What is the force that opposes motion between two surfaces that are touching?
- Correct Answer: gravity
- tension
- vibration
- friction
Explanation: Friction is a force that opposes motion between two surfaces that are touching. Friction occurs because no surface is perfectly smooth. Friction is greater when objects have rougher surfaces or are heavier so they press together with greater force.
More Random Questions
Q: Which nerve is affected in ulnar nerve palsy?
Ans: Ulnar nerve
Ans: Ulnar nerve
Q: Some bacteria cannot be cultured because they are obligate intracellular parasites and cannot be grown outside what?
Ans: brain cell
Ans: brain cell
Q: What is the study of water movement, including waves and ocean currents?
Ans: thermal oceanography
Ans: thermal oceanography
Q: What is one thing that cell membranes are permeable to?
Ans: metals
Ans: metals
Q: What nervous system is divided into two parts, the sensory division and the motor division?
Ans: central
Ans: central
Q: What two things are excess proteins converted into?
Ans: glucose or triglycerides
Ans: glucose or triglycerides
Q: Who presides over the Rajya Sabha?
Ans: Vice President
Ans: Vice President
Q: Who has won the 'Crossword Books Prize'?
Ans: K.J.S. Dhillon
Ans: K.J.S. Dhillon
Q: Who became the first female sniper in the Border Security Force (BSF)?
Ans: Suman Kumari
Ans: Suman Kumari
Q: Which fluid is used in a vehicle’s power steering system?
Ans: Power steering fluid
Ans: Power steering fluid
Q: Which organization started the Republic Day Camp-2025 successfully on January 10, 2025?
Ans: Indian Space Research Organization
Ans: Indian Space Research Organization
Q: Which Indian city is known as the "City of Waterfalls"?
Ans: Ranchi
Ans: Ranchi
Q: The bony socket that houses the eyeball and associated muscles is called?
Ans: acetabulum
Ans: acetabulum
Q: On June 5, 2024, a new species of blue ant has been discovered in which state?
Ans: Arunachal Pradesh
Ans: Arunachal Pradesh
Q: What was the impact of winter storms on the economy in Q1 2025?
Ans: Increased growth
Ans: Increased growth
